Factors / Factors of 425

Factors of 425

1, 5, 17, 25, 85, 425

425 breaks into 3 pairs, tested up to √425 ≈ 20.6; each pair multiplies back to 425 exactly. 425's full pair list is (1, 425), (5, 85), (17, 25), for 6 divisors in total. 425's divisors other than 425 itself sum to just 133, 292 below 425: the common deficient case. 425 is odd, digit sum 11 for 425; small divisors of 425 include 5. 425 has 6 divisors; 424 has 8 and 426 has 8, so 424 wins here. 425 divided by its largest divisor, 85, gives 5.